57206401144 has 8 divisors (see below), whose sum is σ = 107262002160. Its totient is φ = 28603200568.

The previous prime is 57206401129. The next prime is 57206401151. The reversal of 57206401144 is 44110460275.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575400064 + ... + 3575400079.

It is an arithmetic number, because the mean of its divisors is an integer number (13407750270).

Almost surely, 2^57206401144 is an apocalyptic number.

It is an amenable number.

57206401144 is a deficient number, since it is larger than the sum of its proper divisors (50055601016).

57206401144 is a wasteful number, since it uses less digits than its factorization.

57206401144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150800149 (or 7150800145 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 57206401144 in words is "fifty-seven billion, two hundred six million, four hundred one thousand, one hundred forty-four".